Q:

Beta testing on Big Bore Tadagger Super AiRRow

Well on vacation, built most of it up last night on a loose Talon SS frame with a trigger group out of one of Tony’s Condors, his Breech knob, Woks AR trigger guard, trigger pad & butt on a JDS 68ci bottle with a canted ETAC with a Blod Knob Big Bore valve plus a Russian Kobra holographic sight mounted on the foward rail
AND
the experimental Tadagger Big Bore conversion…
this is overall a great piece of work
right now I am using the standard Tadagger striker spring and while its moving a great deal more air volume, its actually a bit quieter than the small bore conversion with the modified Condor valve probably due to the larger bore diameter and more efficent valve.
No numbers yet, still fighting my chrony and weather but it is running bolts clear through one bag and buring them to the fletching in the second. Maybe not twice as fast as the Condor based valve but I am reasonably certain its in the 600FPS plus range
on a side note you should have seen the faces of the clerks at the local Archery joint when I inquired what the best target they had. They showed me a local manufactured 400FPS one, said nope, need something good for at least 600.
the look was priceless as were their reactions when I brought in the completed rig
“What the hell you call that thing?”
“Where did you get it”
“How much?”
and so forth…
anyways hopefully I can get up some numbers to report back with a few pix, perhaps even a couple meat shots if one of my buddies up here has a Beef cow to volunteer for testing as numbers have never meant as much to me as seeing what a projectile does on living flesh & blood
so far it looks good, no valve lock Walt, may up the spring rating tomorow
one thing for sure this has SERIOUS promise… 600FPS with a heavy cutting projectile is about as devistating as it gets in flesh & bone media short of explosive slugs
have my own creative juices flowing now 😉

Mods/Machinists

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quote Riverside:

Butcher:
1st they are far more rugged in my opinion
2nd, they are far more compact
controls are on the right side of the unit allowing one to bring the optic back farther
there seems to be a greater range of brightness control, further I like the Russian reticle choices more than the EOTech
there was an archery model EOTech that crops up discounted that might be worth looking at if you can find one, has an archery reticle
usually they are deeply discounted as well

thing I dislike regarding the EOTech is the overal bulk and all the shitty plastic

they are the shit if you are running an intensifier but past that prefer the KOBRAs

I will definitely look into the Kobras. Thanks!

Butcher:
1st they are far more rugged in my opinion
2nd, they are far more compact
controls are on the right side of the unit allowing one to bring the optic back farther
there seems to be a greater range of brightness control, further I like the Russian reticle choices more than the EOTech
there was an archery model EOTech that crops up discounted that might be worth looking at if you can find one, has an archery reticle
usually they are deeply discounted as well

thing I dislike regarding the EOTech is the overal bulk and all the shitty plastic

they are the shit if you are running an intensifier but past that prefer the KOBRAs

Well about all I can say about the Kobra is there is absolutely NO parallax error. NONE.

I have no experience with the other sights of this type.

I’d like to hear more about why the Kobra sight is better than the Eotech for this application.

I always wanted an Eotech after shooting my friends 909 that had one mounted on it…..if the Kobra is that much better I’ll have to look into those.

not sure if they still import them but this one came with the 11mm base
my understanding is the 11mm based Kobras were designed for use with some tactical 12 gauge autoloader made by Bakail that had an 11mm grooved receiver

the two I have I both snagged off EGAY some time ago at a decent discount due to the 11mm base, think I paid right around $125.00+shipping apiece, new in the box

KOBRAs rock in this application, heck of alot better than the EOTech and yeah have those as well among other looney optics

Riverside, did that kobra of yours come with the dovetail mount or did you make it yourself?

Mine has the picatinny mount on the bottom. Those damn things are an awesome sight, I currently use it on my 10/22 but plan on putting it on the MarkII.

I think its the perfect sight for your Airrow rifle.

Butcher,

I really like mine, I have the standard one on a Condor frame.

The Goldtip arrows are a special order thing it seems, and they are almost indestructable, 2413’s are a lot cheaper and easier to find, but if you hit one while shooting, and its so accurate that is easy to do, they are then toast.

The 2413’s are about 25 FPS slower, because they are heavier, so it is a give and take situation.

I have the Air Force iron sights on mine right now, but the weapon is far more accurate than the sights.

I have shot a couple ground squirrels so far with mine, but I really do need to take it to SE Oregon and do some calling.

Roachcreek

never did much with broadheads last summer
took out a big feral dog at the neighbors trash pit with a broadhead through the shoulders which I later found about 25 yards down range after it passed through both sides of the beastie, dropped him like a load of bricks.

ran out of air after a few more shots plus couldnt keep Broadheads in the target bags so went back to field tips
hate chasing bolts down in Poison Ivy after they cut through your target bags.

my advice is to get the standard kit and drop it on a used Condor
this one is pure proof of concept, the bulk of the gun has been replaced with custom bits and I still need much more trigger time on the rig

OK….this weapon is simply to cool for school.

Hey Riverside…..how fast does that thing chuck a heavy hunting arrow with a broadhead on it? Is there a thread on here that covered that already?

How could this NOT be my next air powered weapon (if TagDagger doesn’t already have a list a mile long)? Perfect for bloodtrailing bobcats in stuff like this.

Lookn good RS!

Here is a pic of the semi completed big bore toy!

WOw thats really good with a stock spring, especially with that low a pressure. with some patience and the right tune you could likely get a bunch of shots in the 400fps range and apparently with a quieter report. My best tune with the standard arrow conversion is 12 to 14 shots over 400fps. That big valve is very versitile I may have to get one soon, of course then Id need a 9mm or even bigger barrel,larger tank, shroud as long as my arm ………… this a/g stuff never ends and I just love it 😀 I tell my wife “It could be worse, Im not on drugs or chaseing women”, and she’ll never run out of gift Ideas for birthdays and Christmas 😉
Tag,

TD:
swapped more bits around, was using your hammer today with a standard Airforce spring at a 1000psi in the tank and was pulling in the mid 300FPS range over a ten shot string. Set up like this its really rather quiet, about like a Sheridan pump on 8 strokes.
Velocity seems extremely consistant at lower pressures, seems to be the sweet spot with the light spring.

River,
Whenever you get your tank back to 3,000 you should think about making us a video. Maybe a blunt small game head and mellon out about 80yrds! That would be some good TV 😀 Im glad to hear the inserts are staying in. Ive been useing goat tuff glue and its really holding up well on the standard kits as well.

RC & 80 Grit,
A bigger valve on the standard AirArcher barrel is likely not a good idea. I was really concerned about blowback even with the Buffalo barrel I sent River.

80 Grit:
never regarded archery as a science
far too many variables involved to draw it down to raw numbers math
my rig is a test platform to see how far we can take pneumatic bolt guns. I think it can go a great deal higher but will require a totally rethought valve and breech in a wholely different frame

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